This is the 5592nd most frequent Japanese word.
けりゃ
"けりゃ" is a contracted colloquial form of "ければ," meaning "if" or "in case of" in conditional statements.
けりゃ is used as a conditional form of the verb '歩く', implying 'if one can walk'.
時間があれば家まで歩けりゃ大丈夫です。
If we have the time, it's okay to walk home.
けりゃ here represents a conditional form of the potential verb '買える', meaning 'if one can buy'.
お金があれば十分けりゃ買えますよ。
If you have enough money, you can buy it.
けりゃ appears as a conditional expression associated with 'きれい', indicating 'if it is clean'.